自定义gradview

package com.yaomei.widget;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.content.Context;
import android.content.Intent;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.yaomei.activity.adapter.AppsAdapter;
import com.yaomei.activity.info.R;

public  class gridViewExt extends LinearLayout {
public List<HashMap<String, Object>> tableRowsList;
private List<HashMap<String, Object>> app =  new ArrayList<HashMap<String, Object>>();
private AppsAdapter adapter;

onItemClickListener onItemClickEvent;
onLongPressExt onLongPress;
int checkRowID = - 1;  //  选中行的下标
int checkColumnID = - 1;  //  选中列的下标
int lastRowCount = - 1;  //  最后一行的总数
private  int ColumnCount;  //  每列的总数

public  void setColumnCount( int count) {
this.ColumnCount = count;
}

public  int getColumnCount() {
return ColumnCount;
}

public  interface onItemClickListener {
public boolean onItemClick( int position, MotionEvent  event, View view);
}

public  interface onLongPressExt {
public boolean onLongPress(View view);
}

public gridViewExt(Context context) {
this(context,  null);
//  TODO Auto-generated constructor stub
}

public gridViewExt(Context context, AttributeSet attrs) {
super(context, attrs);
int resouceID = - 1;
TypedArray typedArray = context.obtainStyledAttributes(attrs,
R.styleable.GridViewExt);
int N = typedArray.getIndexCount();
for ( int i =  0; i < N; i++) {
int attr = typedArray.getIndex(i);
switch (attr) {
case R.styleable.GridViewExt_ColumnCount:
resouceID = typedArray.getInt(
R.styleable.GridViewExt_ColumnCount,  0);
setColumnCount(resouceID);
break;

}
}
typedArray.recycle();
}

public  void setOnItemClickListener(onItemClickListener click) {
this.onItemClickEvent = click;
}

public  void setOnLongPressListener(onLongPressExt longPress) {
this.onLongPress = longPress;
}

public  void NotifyDataChange() {
removeAllViews();
}

void bindView() {
removeAllViews();
int count = adapter.getCount();
TableCell[] cell =  null;
int j =  0;
LinearLayout layout;
tableRowsList =  new ArrayList<HashMap<String, Object>>();
for ( int i =  0; i < count; i++) {
j++;
final  int position = i;
if (j > getColumnCount() || i ==  0) {
cell =  new TableCell[getColumnCount()];
}

final View view = adapter.getView(i,  null,  null);

view.setOnTouchListener( new OnTouchListener() {

@Override
public boolean onTouch(View v, MotionEvent  event) {
//  TODO Auto-generated method stub
unCheckPressed();
checkRowID = - 1;
checkColumnID = - 1;
if (onItemClickEvent !=  null) {

onItemClickEvent.onItemClick(position,  event, view);
}
return  false;
}
});

view.setOnLongClickListener( new OnLongClickListener() {

@Override
public boolean onLongClick(View v) {
if (onLongPress !=  null) {
onLongPress.onLongPress(v);
}
return  true;
}
});
cell[j -  1] =  new TableCell(view);
if (j == getColumnCount()) {
lastRowCount = j;
j =  0;
HashMap<String, Object> map =  new HashMap<String, Object>();
TableRow tr =  new TableRow(cell);
map.put( " tableRow ", tr);
tableRowsList.add(map);
layout =  new LinearLayout(getContext());
addLayout(layout, cell, tr.getSize(), tr);

}  else  if (i >= count -  1 && j >  0) {
lastRowCount = j;
HashMap<String, Object> map =  new HashMap<String, Object>();
TableRow tr =  new TableRow(cell);
map.put( " tableRow ", tr);
tableRowsList.add(map);
layout =  new LinearLayout(getContext());
addLayout(layout, cell, j, tr);
}

}

}

private  void addLayout(LinearLayout layout, TableCell[] cell,  int size,
TableRow tr) {

LinearLayout.LayoutParams  params =  new LinearLayout.LayoutParams( 130,
110);
layout.setGravity(Gravity.LEFT);

layout.setOrientation(LinearLayout.HORIZONTAL);
for ( int k =  0; k < size; k++) {
View remoteView = (View) tr.getCellValue(k).getValue();
layout.addView(remoteView, k,  params);
}
LinearLayout.LayoutParams firstParams =  new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
firstParams.leftMargin =  60;
addView(layout, firstParams);
}

public  void setAdapter(AppsAdapter appsAdapter) {
this.adapter = appsAdapter;
this.setOrientation(LinearLayout.VERTICAL);
bindView();
}

public  void checkPressed( int tableRowId,  int tableRowColumnId) {
ViewGroup view = (ViewGroup)  this.getChildAt(tableRowId);

checkColumnID = tableRowColumnId;
checkRowID = tableRowId;
changeImageState(view.getChildAt(tableRowColumnId), app);

}

public  void onClick( int tableRowId,  int tableRowColumnId, Context context) {
LinearLayout view = (LinearLayout) ((ViewGroup)  this
.getChildAt(tableRowId)).getChildAt(tableRowColumnId);

TextView tv = (TextView) view.findViewById(R.id.folder);
final String[] name = tv.getText().toString().split( " - ");
Intent intent =  null;
if (name[ 0].toString().equals( " com.android.contacts ")) {
if (name[ 1].toString().equals(
" com.android.contacts.DialtactsActivity ")) {
intent =  new Intent(Intent.ACTION_DIAL);
}
if (name[ 1].toString().equals(
" com.android.contacts.DialtactsContactsEntryActivity ")) {
intent =  new Intent(Intent.ACTION_CALL_BUTTON);
}
}  else {
intent = getContext().getPackageManager()
.getLaunchIntentForPackage(name[ 0].toString());
}
context.startActivity(intent);

}

/* *
* 改变图片状态
* 
* @param v
* @param list
*/
private  void changeImageState(View v, List<HashMap<String, Object>> list) {
int size = list.size();
for ( int i =  0; i < size; i++) {
View view = (View) list. get(i). get( " touch ");
view.setPressed( false);
list.remove(i);
}
v.setPressed( true);
HashMap<String, Object> map =  new HashMap<String, Object>();
map.put( " touch ", v);
list.add(map);

}

public  void unCheckPressed() {
if (checkColumnID != - 1 && checkRowID != - 1) {
ViewGroup view = (ViewGroup)  this.getChildAt(checkRowID);
view.getChildAt(checkColumnID).setPressed( false);

}
}

public  class TableRow {
private TableCell[] cell;

public TableRow(TableCell[] cell) {
this.cell = cell;
}

public  int getSize() {
return cell.length;
}

public TableCell getCellValue( int index) {
if (index >= getSize()) {
return  null;
}
return cell[index];
}

public  int getCellCount() {

return cell.length;

}

public  int getLastCellCount() {
return lastRowCount;
}
}

static  public  class TableCell {
private Object value;

public TableCell(Object value) {
this.value = value;
}

public Object getValue() {
return value;
}
}

}